@ubiquitin I can’t have a serious in depth discussion with you if you are too impatient to read up on the background concepts because it’s too boring for you. If you just want aquick pat answer well then this song was written when the Rebbe was sick, and everyone was davening he should recover. As to the other answer, it’s a long one and involves explaining a concept which frankly would bore you as you write. So I don’t see a reason to write it up.
